RU2259422C2 - Агент для травления, содержащий мочевину, и способ его получения - Google Patents
Агент для травления, содержащий мочевину, и способ его получения Download PDFInfo
- Publication number
- RU2259422C2 RU2259422C2 RU2002116231/02A RU2002116231A RU2259422C2 RU 2259422 C2 RU2259422 C2 RU 2259422C2 RU 2002116231/02 A RU2002116231/02 A RU 2002116231/02A RU 2002116231 A RU2002116231 A RU 2002116231A RU 2259422 C2 RU2259422 C2 RU 2259422C2
- Authority
- RU
- Russia
- Prior art keywords
- etching
- urea
- etching agent
- amount
- filler
- Prior art date
Links
- 238000005530 etching Methods 0.000 title claims abstract description 152
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 239000004202 carbamide Substances 0.000 title claims abstract description 102
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims description 10
- 238000002360 preparation method Methods 0.000 title abstract 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 15
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000007513 acids Chemical class 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000002562 thickening agent Substances 0.000 claims abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000003517 fume Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 14
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 12
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 2
- 239000000499 gel Substances 0.000 description 31
- 238000005554 pickling Methods 0.000 description 29
- 238000012360 testing method Methods 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 11
- 239000000243 solution Substances 0.000 description 9
- 239000011651 chromium Substances 0.000 description 8
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 8
- 230000000802 nitrating effect Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000001321 HNCO Methods 0.000 description 4
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000000834 fixative Substances 0.000 description 4
- 150000002823 nitrates Chemical class 0.000 description 4
- 239000012286 potassium permanganate Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 229910002089 NOx Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000006072 paste Substances 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910015475 FeF 2 Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- -1 HNO 3 Chemical class 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- WFNZGUNBSCUXFX-UHFFFAOYSA-N SEK 4 Natural products C1=C(O)C=C2OC(C)(O)CC(=O)C2=C1CC1=CC(O)=CC(=O)O1 WFNZGUNBSCUXFX-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229940005654 nitrite ion Drugs 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000021262 sour milk Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/086—Iron or steel solutions containing HF
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/025—Cleaning or pickling metallic material with solutions or molten salts with acid solutions acidic pickling pastes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Treating Waste Gases (AREA)
- ing And Chemical Polishing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0000147A SE515806C2 (sv) | 2000-01-19 | 2000-01-19 | Långtidsstabilt betmedel innehållande urea samt sätt att tillverka detta |
| SE0000147-9 | 2000-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2002116231A RU2002116231A (ru) | 2004-02-27 |
| RU2259422C2 true RU2259422C2 (ru) | 2005-08-27 |
Family
ID=20278147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2002116231/02A RU2259422C2 (ru) | 2000-01-19 | 2001-01-12 | Агент для травления, содержащий мочевину, и способ его получения |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US6844304B2 (https=) |
| EP (1) | EP1252369A1 (https=) |
| JP (1) | JP5088998B2 (https=) |
| KR (1) | KR100749600B1 (https=) |
| CN (1) | CN1231613C (https=) |
| AU (1) | AU780485B2 (https=) |
| BR (1) | BR0107700A (https=) |
| CA (1) | CA2394686C (https=) |
| CZ (1) | CZ20022403A3 (https=) |
| EE (1) | EE05224B1 (https=) |
| HU (1) | HUP0203923A2 (https=) |
| MX (1) | MXPA02007055A (https=) |
| NO (1) | NO20023454L (https=) |
| NZ (1) | NZ519439A (https=) |
| PL (1) | PL356442A1 (https=) |
| RU (1) | RU2259422C2 (https=) |
| SE (1) | SE515806C2 (https=) |
| SK (1) | SK287092B6 (https=) |
| WO (1) | WO2001053567A1 (https=) |
| ZA (1) | ZA200205758B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2333235C1 (ru) * | 2007-01-09 | 2008-09-10 | Общество с ограниченной ответственностью "ПермНИПИнефть" | Твердая основа состава для кислотной обработки терригенного коллектора |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6617209B1 (en) * | 2002-02-22 | 2003-09-09 | Intel Corporation | Method for making a semiconductor device having a high-k gate dielectric |
| RU2256728C1 (ru) * | 2004-05-25 | 2005-07-20 | Кудинов Петр Никифорович | Состав для очистки поверхностей от отложений солей, оксидов и гидрооксидов металлов (варианты) |
| US20060079424A1 (en) * | 2004-09-23 | 2006-04-13 | Perry Stephen C | Buffered acid cleaner and method of production |
| DE102005026409B4 (de) * | 2005-06-08 | 2008-10-16 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zur Reinigung oder Bearbeitung eines Metallkörpers |
| RU2299275C2 (ru) * | 2005-07-13 | 2007-05-20 | Петр Никифорович Кудинов | Способ получения состава для очистки поверхностей от отложений солей, оксидов и гидрооксидов металлов (варианты) |
| US7402553B1 (en) | 2007-01-12 | 2008-07-22 | Perry Stephen C | Method for preparing a buffered acid composition |
| JP2008285710A (ja) * | 2007-05-16 | 2008-11-27 | Daido Steel Co Ltd | 酸洗方法および酸洗装置 |
| US8343904B2 (en) * | 2008-01-22 | 2013-01-01 | Access Business Group International Llc | Phosphate and phosphonate-free automatic gel dishwashing detergent providing improved spotting and filming performance |
| JP5881513B2 (ja) * | 2012-04-06 | 2016-03-09 | 三菱重工業株式会社 | ガスタービン用部材のコーティング剥離方法 |
| CN102888607B (zh) * | 2012-09-24 | 2014-08-06 | 中国人民解放军第五七一九工厂 | 快速去除镍镉扩散镀层的清除剂组合物及其退镀方法 |
| US10280515B1 (en) | 2013-12-20 | 2019-05-07 | Protocol Environmental Solutions, Inc. | Weld mark treatment |
| CA2950370A1 (en) | 2016-12-02 | 2018-06-02 | Fluid Energy Group Ltd. | Novel corrosion inhibition package |
| CA3008866A1 (en) | 2018-06-19 | 2019-12-19 | Fluid Energy Group Ltd. | Novel corrosion inhibitor for various acids |
| CN111850573B (zh) * | 2020-07-15 | 2021-11-23 | 北京首钢吉泰安新材料有限公司 | 一种钢材酸洗前处理方法及其产品 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3598741A (en) * | 1968-10-07 | 1971-08-10 | Chugai Kasei Co Ltd | Acid compound for metal surface |
| DE2915061A1 (de) * | 1979-04-12 | 1980-10-16 | Sumitomo Metal Ind | Verfahren zum entzundern von edelstahlprodukten |
| RU2126460C1 (ru) * | 1992-08-06 | 1999-02-20 | Новамакс ИТБ с.р.л. | Способ протравливания нержавеющей стали |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942775B1 (https=) * | 1968-10-07 | 1974-11-16 | ||
| JPS5456939A (en) * | 1977-10-14 | 1979-05-08 | Sumitomo Metal Ind Ltd | Method of descaling stainless steel pipe |
| JPS55138083A (en) * | 1979-04-11 | 1980-10-28 | Sumitomo Metal Ind Ltd | Washng method for titanium material with nitrofluoric acid |
| JPS59593B2 (ja) * | 1979-04-11 | 1984-01-07 | 住友金属工業株式会社 | ステンレス鋼管の脱スケ−ル方法 |
| JPS5719385A (en) * | 1980-07-11 | 1982-02-01 | Nissan Chem Ind Ltd | Gaseous nitrogen oxide generation inhibitor for nitric acid pickling bath |
| JPS5794578A (en) * | 1980-12-04 | 1982-06-12 | Taimu Chem:Kk | Acidic cleaner having viscosity |
| DE3412329A1 (de) | 1984-04-03 | 1985-10-10 | Maschinenfabrik Andritz Ag, Graz | Verfahren zum beizen von edelstaehlen, kupfer, buntmetallegierungen, sonderlegierungen, titan, zirkon, tantal usw. mittels salpetersaurer beizbaeder |
| JPS615989A (ja) * | 1984-06-21 | 1986-01-11 | Matsushita Electric Ind Co Ltd | 光学情報記録部材 |
| JPS6115989A (ja) * | 1984-07-03 | 1986-01-24 | Kobe Steel Ltd | ＮＯｘ発生を抑制した金属の酸洗法 |
| US5266410A (en) * | 1987-12-04 | 1993-11-30 | Henkel Corporation | Treatment and after-treatment of metal with polyphenol compounds |
| JPH0832961B2 (ja) * | 1989-02-28 | 1996-03-29 | セイミケミカル株式会社 | 酸洗浄剤 |
| JPH03247786A (ja) * | 1990-02-26 | 1991-11-05 | Hisashi Nakai | フッ素イオン中和剤 |
| US5123910A (en) * | 1990-11-07 | 1992-06-23 | Mcintosh Charles L | Blunt tip surgical needle |
| AU7199594A (en) * | 1993-07-01 | 1995-01-24 | W.L. Gore & Associates, Inc. | A suture needle |
| SE504733C2 (sv) | 1994-06-17 | 1997-04-14 | Ta Chemistry Ab | Förfarande för betning |
| JP3209105B2 (ja) * | 1996-07-31 | 2001-09-17 | 住友金属鉱山株式会社 | 銀の硫化被膜洗浄剤 |
-
2000
- 2000-01-19 SE SE0000147A patent/SE515806C2/sv not_active IP Right Cessation
-
2001
- 2001-01-12 RU RU2002116231/02A patent/RU2259422C2/ru not_active IP Right Cessation
- 2001-01-12 CA CA2394686A patent/CA2394686C/en not_active Expired - Fee Related
- 2001-01-12 WO PCT/SE2001/000060 patent/WO2001053567A1/en not_active Ceased
- 2001-01-12 CN CNB018039057A patent/CN1231613C/zh not_active Expired - Fee Related
- 2001-01-12 NZ NZ519439A patent/NZ519439A/en unknown
- 2001-01-12 US US10/168,990 patent/US6844304B2/en not_active Expired - Fee Related
- 2001-01-12 JP JP2001553424A patent/JP5088998B2/ja not_active Expired - Fee Related
- 2001-01-12 BR BR0107700-7A patent/BR0107700A/pt not_active IP Right Cessation
- 2001-01-12 AU AU28964/01A patent/AU780485B2/en not_active Ceased
- 2001-01-12 HU HU0203923A patent/HUP0203923A2/hu unknown
- 2001-01-12 EP EP01942683A patent/EP1252369A1/en not_active Withdrawn
- 2001-01-12 CZ CZ20022403A patent/CZ20022403A3/cs unknown
- 2001-01-12 SK SK1027-2002A patent/SK287092B6/sk unknown
- 2001-01-12 EE EEP200200397A patent/EE05224B1/xx not_active IP Right Cessation
- 2001-01-12 KR KR1020027009253A patent/KR100749600B1/ko not_active Expired - Fee Related
- 2001-01-12 PL PL01356442A patent/PL356442A1/xx not_active Application Discontinuation
- 2001-01-12 MX MXPA02007055A patent/MXPA02007055A/es active IP Right Grant
-
2002
- 2002-07-18 ZA ZA200205758A patent/ZA200205758B/xx unknown
- 2002-07-18 NO NO20023454A patent/NO20023454L/no not_active Application Discontinuation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3598741A (en) * | 1968-10-07 | 1971-08-10 | Chugai Kasei Co Ltd | Acid compound for metal surface |
| DE2915061A1 (de) * | 1979-04-12 | 1980-10-16 | Sumitomo Metal Ind | Verfahren zum entzundern von edelstahlprodukten |
| RU2126460C1 (ru) * | 1992-08-06 | 1999-02-20 | Новамакс ИТБ с.р.л. | Способ протравливания нержавеющей стали |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2333235C1 (ru) * | 2007-01-09 | 2008-09-10 | Общество с ограниченной ответственностью "ПермНИПИнефть" | Твердая основа состава для кислотной обработки терригенного коллектора |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001053567A1 (en) | 2001-07-26 |
| MXPA02007055A (es) | 2002-12-13 |
| US20030004080A1 (en) | 2003-01-02 |
| HUP0203923A2 (en) | 2003-04-28 |
| CA2394686C (en) | 2010-04-20 |
| CA2394686A1 (en) | 2001-07-26 |
| AU780485B2 (en) | 2005-03-24 |
| CZ20022403A3 (cs) | 2003-01-15 |
| RU2002116231A (ru) | 2004-02-27 |
| NO20023454L (no) | 2002-09-12 |
| ZA200205758B (en) | 2003-10-20 |
| SE515806C2 (sv) | 2001-10-08 |
| EE05224B1 (et) | 2009-10-15 |
| CN1395626A (zh) | 2003-02-05 |
| NZ519439A (en) | 2004-03-26 |
| SK10272002A3 (sk) | 2002-12-03 |
| SE0000147L (sv) | 2001-07-20 |
| SE0000147D0 (sv) | 2000-01-19 |
| US6844304B2 (en) | 2005-01-18 |
| EP1252369A1 (en) | 2002-10-30 |
| JP5088998B2 (ja) | 2012-12-05 |
| KR100749600B1 (ko) | 2007-08-14 |
| JP2003520299A (ja) | 2003-07-02 |
| CN1231613C (zh) | 2005-12-14 |
| KR20020071949A (ko) | 2002-09-13 |
| EE200200397A (et) | 2004-04-15 |
| PL356442A1 (en) | 2004-06-28 |
| BR0107700A (pt) | 2002-12-03 |
| AU2896401A (en) | 2001-07-31 |
| NO20023454D0 (no) | 2002-07-18 |
| SK287092B6 (sk) | 2009-11-05 |
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